<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>
<body>
    <div id="app">
        <todo-title slot="todo-title":title="title"></todo-title>
        <todo-items slot="todo-items" v-for="item in todoItems":item="item"></todo-items>
    </div>
    <script src="https://cdn.jsdelivr.net/npm/vue@2.5.21/dist/vue.min.js"></script>
    <script>
        //定义插槽
        Vue.component("todo",{
            template:'<div>\
                        <slot name="todo-title"></slot>\
                        <ul>\
                        <slot name="todo-items"></slot>\
                        </ul>\
                        </div>'
        });
        Vue.component("todo-title",{
            props:['title'],
            template:'<div>{{title}}</div>'
        });
        Vue.component("todo-items",{
            props:['item'],
            template:'<li>{{item}}</li>'
        });

    var vm = new Vue({
        el:"#app",
        data:{
            title:"网站",
            todoItems:['百度','新浪','bilibili']
        }
    })
</script>
</body>
</html>